TIMKEN CO — Director's Dealing 2010

May 14, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2010-05-12

Reporting Person: GRIFFITH JAMES W (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-12	Common Stock	M	50000	$25.40	Acquired	306731	Direct
2010-05-12	Common Stock	F	41044	$34.38	Disposed	265687	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-12	Employee Stock Option (right to buy)	$25.40	M	50000	Disposed	2012-04-16	Common Stock (50000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	23488	Indirect

Footnotes

F1: 50,000 shares granted on 4/16/2002 (previously reported on a Form 4) vested in 25% increments per year over 4 years.